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https://issues.apache.org/jira/browse/FLEX-33169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13558811#comment-13558811
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Carol Frampton commented on FLEX-33169:
---------------------------------------
Patches should be created from root. I was not able to apply this patch but
since it was one line I did it by hand. I commented out the old line and
appended the new line. With the change the mouseDownPoint is based on
event.target and the mouseDownObject is based on event.currentTarget which
seems asymmetric to me although I did not study the fix.
mouseDownPoint = event.target.localToGlobal(new Point(event.localX,
event.localY));
//mouseDownObject = event.target as DisplayObject;
mouseDownObject = event.currentTarget as DisplayObject;
Just a note to the reviewer of this patch based on lots of experience fixing
List bugs. The code is very tricky and it is very easy to introduce another
bug while fixing a bug. Before submitting the patch please run both the
desktop and mobile mustella tests for List and subclasses of List such as
DropDownList.
> Spark List selection on mobile doesn't work properly
> ----------------------------------------------------
>
> Key: FLEX-33169
> URL: https://issues.apache.org/jira/browse/FLEX-33169
> Project: Apache Flex
> Issue Type: Bug
> Components: Spark: List
> Affects Versions: Adobe Flex SDK 4.5.1 (Release), Adobe Flex SDK 4.6
> (Release)
> Environment: iOS 5.x, Android 3.2/4.0, Air 3.0 - 3.3
> Reporter: Al Birdy
> Attachments: FLEX-33169_Mobile_List_Selection.patch, ListExt.as
>
>
> The touch selection of list items on the actual device does not work properly.
> Sometimes, even though the touch has definitely been recognized by the
> device, the list selection change isn't committed, instead the previously
> selected item remains selected.
> To reproduce the issue, please set up a new Flex mobile project and add the
> most basic list with inline renderer to a view:
> <s:List id="myList" width="100%" height="100%">
> <s:dataProvider>
> <s:ArrayCollection>
> <fx:Object label="Item1" />
> .....
> <fx:Object label="Item30" />
> </s:ArrayCollection>
> </s:dataProvider>
> </s:List>
> Deploy the app to an actual device (this bug does NOT appear in the
> emulator!) and randomly try to select items, scroll the list, select again
> and so on. You'll notice that the down color is sometimes set, but the
> selection isn't changed.
> For a more detailed description of this bug please see
> http://stackoverflow.com/questions/11740074/selection-on-spark-mobile-list-only-works-3-out-of-4-times
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